Bug#13990648: 65061: LRU FLUSH RATE CALCULATION IS BASED ON INVALID VALUES

rb://1043
approved by: Sunny Bains

Two internal counters were incremented twice for a single
operations. The counters are:
srv_buf_pool_flushed
buf_lru_flush_page_count

storage/innobase/buf/buf0flu.c

@@ -1750,8 +1750,6 @@ buf_flush_batch(
 	}
 #endif /* UNIV_DEBUG */
 
-	srv_buf_pool_flushed += count;
-
 	return(count);
 }
 
@@ -1778,13 +1776,6 @@ buf_flush_common(
 #endif /* UNIV_DEBUG */
 
 	srv_buf_pool_flushed += page_count;
-
-	if (flush_type == BUF_FLUSH_LRU) {
-		/* We keep track of all flushes happening as part of LRU
-		flush. When estimating the desired rate at which flush_list
-		should be flushed we factor in this value. */
-		buf_lru_flush_page_count += page_count;
-	}
 }
 
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